insert into exam_record(uid, exam_id, start_time, submit_time, score) values (1001, 9001, '2021-09-01 22:11:12', '2021-09-01 22:11:12' + interval 50 minute, 90), (1002, 9002, '2021-09-04 07:01:02', null, null) #一、插入记录的方式汇总: #普通插入(全字段):INSERT INTO table_name VALUES (value1, value2, ...) #普通插入(限定字段):...